Ozone in the ________ is important for absorbing and scattering much
of the UV radiation coming into Earth's atmosphere from the sun.
mesosphere
stratosphere
clouds
thermosphere
troposphere Correct Answer-stratosphere
In the United States, which of the following has decreased since 1980?
gross domestic product (GDP)
population
, energy consumption
vehicle miles traveled
air pollution emissions Correct Answer-air pollution emissions
What gas composes the largest portion of Earth's atmosphere?
oxygen
sulfur
nitrogen
argon
ozone Correct Answer-nitrogen
One of the problems that occur as a consequence of CFC pollution is
________.
the eutrophication of waterways
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